Electric lamp having current conductors with a metal phosphide c

Details Electric lamp having current conductors with a metal phosphide c Electric lamp having current conductors with a metal phosphide c

1993-01-08

1995-02-07

Yusko, Donald J.

Electric lamp and discharge devices

With gas or vapor

Having electrode lead-in or electrode support sealed to...

313613, 313626, 313332, 174 5061, H01J 546

Patent

active

053878400

ABSTRACT:
The electric lamp has a glass lamp vessel in the wall of which current conductors of molybdenum or tungsten are accommodated, which extend to the outside. Exclusively where the current conductors are in contact with gas, they have a skin of their own phosphide. The skin protects the current conductors from being progressively oxidized. The lamps can easily be manufactured.

REFERENCES:
patent: 3721852 (1973-03-01), Chiola et al.
patent: 3723792 (1973-03-01), Chiola et al.
patent: 3798058 (1974-03-01), Chiola et al.
patent: 4835439 (1989-05-01), Essock et al.

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